:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#1f2937; --muted:#6b7280; --line:#e5e7eb;
  --brand:#2563eb; --brand-d:#1d4ed8;
  --inc:#16a34a; --inc-bg:#ecfdf5; --inc-d:#15803d;
  --exp:#dc2626; --exp-bg:#fef2f2; --exp-d:#b91c1c;
  --pub:#64748b; --pub-bg:#f1f5f9;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
  --radius:12px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand)}
button.primary{background:var(--brand);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-weight:600}
button.primary:active{background:var(--brand-d)}
button.ghost{background:#fff;border:1px solid var(--line);padding:8px 14px;border-radius:8px}
.link{background:none;border:none;color:var(--brand);padding:4px 6px}

/* 登录 */
.login-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.login-card{background:#fff;padding:32px 28px;border-radius:16px;width:340px;max-width:90vw;box-shadow:var(--shadow)}
.login-card h1{font-size:20px;margin:0 0 4px}
.login-card .sub{color:var(--muted);margin:0 0 20px;font-size:13px}
.login-card input{margin-bottom:12px}
.login-card button.primary{width:100%;padding:11px;font-size:15px}
.login-hint{margin-top:16px;font-size:12px;color:var(--muted);line-height:1.7;background:var(--bg);padding:10px;border-radius:8px}
.err{color:var(--exp);font-size:12px;margin-top:8px;min-height:14px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:10px;padding:10px 14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.brand{font-weight:700;font-size:16px;flex:1}
.menu-btn{display:none;background:none;border:none;font-size:22px;padding:0 6px}
.scope{display:flex;align-items:center;gap:8px}
.badge{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand);color:#fff;white-space:nowrap}
#switch-view{width:auto;padding:5px 8px;font-size:12px}

/* 布局 */
.layout{display:flex;align-items:flex-start}
.sidebar{width:230px;flex:none;background:#fff;border-right:1px solid var(--line);min-height:calc(100vh - 53px);padding:8px}
.nav-group{margin-bottom:6px}
.nav-group .g-title{font-size:11px;color:var(--muted);font-weight:700;padding:10px 12px 4px;letter-spacing:.5px}
.nav-group.inc .g-title{color:var(--inc-d)}
.nav-group.exp .g-title{color:var(--exp-d)}
.nav-item{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;color:var(--ink);cursor:pointer;font-size:13.5px}
.nav-item:hover{background:var(--bg)}
.nav-item.active{background:var(--brand);color:#fff;font-weight:600}
.nav-item .dot{width:8px;height:8px;border-radius:50%;background:var(--pub)}
.nav-group.inc .nav-item .dot{background:var(--inc)}
.nav-group.exp .nav-item .dot{background:var(--exp)}

.content{flex:1;padding:16px;min-width:0}

/* 卡片/区 */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-wrap:wrap;gap:8px}
.page-head h2{font-size:18px;margin:0}
.page-head .acts{display:flex;gap:8px;flex-wrap:wrap}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin-bottom:14px}
.grid{display:grid;gap:12px}
.stat-cards{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.stat .k{font-size:12px;color:var(--muted)}
.stat .v{font-size:22px;font-weight:700;margin-top:4px}
.stat.inc .v{color:var(--inc-d)} .stat.exp .v{color:var(--exp-d)} .stat.pub .v{color:var(--pub)}
.sub-head{font-size:13px;font-weight:600;color:var(--muted);margin:14px 2px 8px}

/* 表格 */
.table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;font-size:13px;min-width:640px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f8fafc;color:var(--muted);font-weight:600;position:sticky;top:0}
tbody tr:hover{background:#fafbff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{font-size:11px;padding:2px 8px;border-radius:999px}
.tag.inc{background:var(--inc-bg);color:var(--inc-d)}
.tag.exp{background:var(--exp-bg);color:var(--exp-d)}
.tag.warn{background:#fffbeb;color:#b45309}
.tag.ok{background:var(--inc-bg);color:var(--inc-d)}
.tag.mov{background:var(--pub-bg);color:var(--pub)}
.tag.rec{background:#eff6ff;color:#1d4ed8}
.tag.pay{background:#faf5ff;color:#7e22ce}
.row-edit{color:var(--brand);background:none;border:none;padding:2px 6px}
.row-del{color:var(--exp);background:none;border:none;padding:2px 6px}
.row-acts{white-space:nowrap}

/* 列表搜索 / 分页 */
.crud-tools{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.crud-tools input{max-width:260px}
.crud-count{font-size:12px;color:var(--muted)}
.pager{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:10px;font-size:13px;color:var(--muted)}
.pager button{padding:6px 14px}
.pager button:disabled{opacity:.4;cursor:not-allowed}
.pg-info{min-width:90px;text-align:center}

/* 移动端底部导航 */
.bottomnav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fff;border-top:1px solid var(--line);
  grid-template-columns:repeat(5,1fr);box-shadow:0 -2px 8px rgba(0,0,0,.06)}
.bottomnav .bn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 2px;font-size:11px;color:var(--muted);background:none;border:none}
.bottomnav .bn.active{color:var(--brand);font-weight:700}
.bottomnav .bn .ic{font-size:18px}

/* 表单弹层 */
.modal{position:fixed;inset:0;z-index:50;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;padding:14px}
.modal-card{background:#fff;border-radius:14px;width:560px;max-width:100%;max-height:92vh;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700}
.modal-head button{background:none;border:none;font-size:18px}
.modal-body{padding:16px;overflow:auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1 / -1}
.form-grid label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}

/* 筛选条 */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.filters .f{display:flex;flex-direction:column;gap:3px}
.filters label{font-size:11px;color:var(--muted)}
.filters input,.filters select{width:auto;min-width:120px}

/* 报表强调 */
.report-title{font-size:14px;font-weight:700;margin:4px 0 8px}
.totals-row td{font-weight:700;background:#f8fafc}
.pos{color:var(--inc-d)} .neg{color:var(--exp-d)}
.chart-svg{width:100%;height:auto;display:block}
.chart-legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-bottom:6px}
.chart-legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}

/* 手机适配 */
@media (max-width:820px){
  .menu-btn{display:block}
  .sidebar{position:fixed;left:0;top:53px;bottom:0;z-index:25;transform:translateX(-100%);transition:.2s;overflow:auto;box-shadow:var(--shadow)}
  .sidebar.open{transform:translateX(0)}
  .content{padding:12px}
  .bottomnav{display:grid}
  .app{padding-bottom:56px}
  .form-grid{grid-template-columns:1fr}
  .scope .badge{display:none}
  .brand{font-size:15px}
}

/* 附件（合同 / 发票扫描件） */
.form-attach{border-top:1px dashed var(--line);margin-top:4px;padding-top:6px}
.att-hint{font-size:12px;color:var(--muted);padding:6px 0}
.att-list{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.att-item{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 8px}
.att-thumb{width:40px;height:40px;object-fit:cover;border-radius:6px;border:1px solid var(--line);flex:none}
.att-ico{font-size:20px;flex:none}
.att-name{color:var(--brand);text-decoration:none;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att-size{font-size:11px;color:var(--muted)}
.att-empty{font-size:12px;color:var(--muted);padding:4px 0}
.att-up{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.att-up input[type=file]{width:auto;max-width:240px}
.att-tip{font-size:11px;color:var(--muted)}

/* 打印 / 导出 PDF */
.print-head{display:none}
.print-head .ph-t{font-size:16px;font-weight:700;display:flex;justify-content:space-between}
.print-head .ph-s{font-size:12px;color:var(--muted);margin-top:4px}
@media print{
  html,body{background:#fff}
  .topbar,.sidebar,.bottomnav,.modal,.toast,#toast,.page-head .acts,.crud-tools,.pager{display:none !important}
  .layout{display:block}
  .content{padding:0;min-width:0}
  .card,.table-wrap,.stat{box-shadow:none;border-color:#ccc}
  .print-head{display:block;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
  table{min-width:0;font-size:11px}
  th,td{white-space:normal;padding:5px 6px}
  th{position:static;background:#f0f0f0}
  tbody tr:hover{background:none}
  .chart-svg{max-height:300px}
  button{display:none !important}
}